Walter E Lisowski

US Patent:

D455162, Apr 2, 2002

Filed:

Feb 20, 2001

Appl. No.:

29/137405

Inventors:

Walter E. Lisowski - Chicago IL

Assignee:

Mid-West Screw Products, Inc. - Chicago IL

International Classification:

1509

US Classification:

D15140

US Patent:

D455766, Apr 16, 2002

Filed:

Feb 20, 2001

Appl. No.:

29/137393

Inventors:

Walter E. Lisowski - Chicago IL

Assignee:

Mid-West Screw Products, Inc. - Chicago IL

International Classification:

1509

US Classification:

D15140

US Patent:

D596018, Jul 14, 2009

Filed:

Aug 13, 2008

Appl. No.:

29/322866

Inventors:

Walter E. Lisowski - Chicago IL, US

International Classification:

0805

US Classification:

D 8380

US Patent:

D596019, Jul 14, 2009

Filed:

Aug 13, 2008

Appl. No.:

29/322868

Inventors:

Walter E. Lisowski - Chicago IL, US

International Classification:

0805

US Classification:

D 8380

US Patent:

D596020, Jul 14, 2009

Filed:

Oct 21, 2008

Appl. No.:

29/326577

Inventors:

Walter E. Lisowski - Chicago IL, US

International Classification:

0805

US Classification:

D 8380

US Patent:

59374730, Aug 17, 1999

Filed:

Jun 6, 1997

Appl. No.:

8/870874

Inventors:

Walter E. Lisowski - Chicago IL

International Classification:

B08B 902

US Classification:

1523608

Abstract:

An intake clearing tool for jet-powered aquatic vehicles has an elongated handle portion, attachment means at one end for receiving a complementary attachable finger-type rake head and a handle grip at the opposite end. The handle grip end is adapted to receive a 90. degree. extension handle to enable the rake tool to be manipulated from alongside or on board a vehicle. In the preferred embodiment, the elongated handle is extensible and includes a first part which is sealed at both ends to contain an air chamber therein so that the handle will be capable floating rather than sinking. The handle portion preferably made of at least two tubular plastic telescoping rods has an attachment means at one end preferably in the form of screw threads that receives a rake tool head with a corresponding screw attachment and the opposite end has a resilient handle grip that may include an over-the-wrist securing loop. The rake head attachment has substantially v-shaped and barb tipped fingers that are perpendicularly disposed. An interlocking mechanism secures the telescoping rod members in their extended position against both collapsing and rotation.

US Patent:

D437679, Feb 20, 2001

Filed:

Jun 23, 2000

Appl. No.:

D/125449

Inventors:

Virginia Lisowski - Chicago IL
Walter E. Lisowski - Chicago IL

International Classification:

0303

US Classification:

D 3 9

US Patent:

55949746, Jan 21, 1997

Filed:

Aug 19, 1994

Appl. No.:

8/292860

Inventors:

James Wattron - Gurnee IL
Walter E. Lisowski - Chicago IL

International Classification:

A63C 1701
B60B 3300

US Classification:

16 30

Abstract:

A releasable caster for use with a moveable structure having a bottom wall wherein the caster has a swivel connected yoke and stem with the yoke supporting a plastic wheel. The stem includes a manually operable spring biased rod that has an indentation between its ends and co-acts with a ball detent. A shell with a flange at its outer end is adapted to be received in an opening in the wall. The shell has an abutment, prefereably in the form of a groove with the upper edge forming an abutment which copperatively locks the ball detent or releases the ball when the rod is moved longitudinally or rotationally.