Family

Loading Family data...

• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
E I DU PONT DE NEMOURS AND COMPANY	WILMINGTON DE 19805

International Classification(s)

• G03H:HOLOGRAPHIC PROCESSES OR APPARATUS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Armstrong, Mark L	Wilmington, DE	6	88
Doraiswamy, Krishna C	Wilmington, DE	2	56
Smothers, William K	Hockessin, DE	18	511

Cited Art Landscape

Load Citation

• No Cited Art to Display

Loading Cited Art Landscape...

Patent Citation Ranking

Forward Cite Landscape

Load Citation

• No Forward Cites to Display

Loading Forward Cite Landscape...

Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent No: 5024909

Dry film process for altering wavelength response of holograms

---

 

Legal Events