John A. Sergovic

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Severna Park, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for in mold coating
- Patent number 4,555,375
- Issue date Nov 26, 1985
- Burns & Russell Company
- John A. Sergovic
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Electrolessly plated mold surface and method of using
- Patent number 4,478,779
- Issue date Oct 23, 1984
- The Burns & Russell Company
- Alexander H. Russell
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Stain resistant polyester-coated block
- Patent number 4,031,289
- Issue date Jun 21, 1977
- The Burns & Russell Company of Baltimore City
- John A. Sergovic
- E04 - BUILDING