Christopher G. Estkowski

Person

Coloma, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Vertical back adjust for chairs
- Patent number 5,232,265
- Issue date Aug 3, 1993
- Shepherd Products U.S., Inc.
- Michael H. Estkowski
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Caster bearing assembly
- Patent number 5,230,571
- Issue date Jul 27, 1993
- Shepherd Products U.S., Inc.
- Michael H. Estkowski
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Integral retainer and bearing assembly
- Patent number 5,226,739
- Issue date Jul 13, 1993
- Shepherd Products U.S., Inc.
- Michael H. Estkowski
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Tilted axle multiple wheel caster
- Patent number 5,075,924
- Issue date Dec 31, 1991
- Shepperd Products U.S., Inc.
- Michael H. Estkowski
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual wheel tilted axle caster with an integral retainer and bearing...
- Patent number 5,068,943
- Issue date Dec 3, 1991
- Shepherd Products U.S., Inc.
- Michael H. Estkowski
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electrically conductive caster having loop depending rings
- Patent number 4,763,383
- Issue date Aug 16, 1988
- Shepherd Products U.S., Inc.
- Michael H. Estkowski
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Easily removable protective covering for annular objects
- Patent number 4,696,394
- Issue date Sep 29, 1987
- Shepherd Products U.S., Inc.
- Michael H. Estkowski
- B60 - VEHICLES IN GENERAL

Christopher G. Estkowski

Person

Patents Grantslast 30 patents

Vertical back adjust for chairs

Caster bearing assembly

Integral retainer and bearing assembly

Tilted axle multiple wheel caster

Dual wheel tilted axle caster with an integral retainer and bearing...

Electrically conductive caster having loop depending rings

Easily removable protective covering for annular objects